/* Maps and unmaps a file and verifies that the mapped region is
   inaccessible afterward. */

#include <syscall.h>
#include "tests/vm/sample.inc"
#include "tests/lib.h"
#include "tests/main.h"

#define ACTUAL ((void *)0x10000000)

void test_main(void)
{
    int handle;
    mapid_t map;

    CHECK((handle = open("sample.txt")) > 1, "open \"sample.txt\"");
    CHECK((map = mmap(handle, ACTUAL)) != MAP_FAILED, "mmap \"sample.txt\"");

    munmap(map);

    fail("unmapped memory is readable (%d)", *(int *)ACTUAL);
}
